Principles and practice of agricultural analysis. Volume 2 (of 3), Fertilizers

by Harvey Washington Wiley

[151] Chemisches Centralblatt, 1886, S. 165.

[152] Nederlandsche Staatscourant, Jan. 11, 1893.

[153] Die Agricultur-Chemische Versuchs-Station, Halle a/S., S. 34.

(bis. p. 204) Bulletin No. 43, p. 345.

[154] Bulletin No. 31, 142.

[155] Fresenius, quantitative Analyse, 6th Auflage, S. 731.

[156] Zeitschrift für Analytische Chemie, Band 24, S. 455.

[157] Vid. op. cit. supra, Band 25, S. 149.

[158] Archive der Pharmacie {3}, Band 23, S. 177.

[159] Chemisches Centralblatt, 1886, S. 375.